Research Article

Early Warning Method and Model of Inland Ship Collision Risk Based on Coordinated Collision-Avoidance Actions

Table 3

Functions of relationships between DCPA, TCPA, Co, and collision risk.

RelationshipProposed function 1Proposed function 2

Relationship between DCPA and collision risk
Relationship between TCPA and collision risk
Relationship between Co and collision risk

a1 > 0; a2 > 0; a3 > 0; b1 > 0; b2 > 0; b3 > 0; c1 > 0; c2 > 0; c3 > 0; d1∈(−∞, +∞); d2∈(−∞, +∞); d3∈(−∞, +∞).